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Title:
JET ACTIVE OSCILLATOR AND OSCILLATING FLOW METERS BASED THEREON (VARIANTS)
Document Type and Number:
WIPO Patent Application WO2002090782
Kind Code:
A8
Abstract:
The inventions relate to instrument engineering and represent a jet active oscillator and the flowmeter for measuring volume and mass flow of fluid medium based thereon according to single-stage and multistage circuits. The body (2) of the inventive jet active oscillator (1) comprises an input section (6), a convergent tube (7), a supplying nozzle (8), a control chamber (12) embodied in the form of three-stage convergent tube provided with aperture angles ( alpha , beta ), input channels (24, 25), control jets (26, 27), an output channel (13), two dividers (32,33) having exterior walls (34, 35) which form with opposite internal walls (14, 15) input nozzles and convergent tubes of the input channels (24, 25), and internal walls (36, 37) which form with each other an output nozzle (38) and an output convergent tube (39) of the output channel (13). The angle ( gamma ) of slope of a plane of symmetry (30, 31) of the control jets (26, 27) with respect to the plane of symmetry (3) of the body is selected such that it is ranging from 95 DEG to 150 DEG . In the variant of multistage circuit of the flowmeter, the jet active oscillators are united by the input sections (6) and the output channels (13), the control chambers (12) thereof being connected therebetween by feedback lines according to different circuits in relation to even or odd number of the jet active oscillators.

Inventors:
ZJUBIN IGOR ALEXANDROVICH (RU)
Application Number:
PCT/RU2001/000169
Publication Date:
December 12, 2002
Filing Date:
April 24, 2001
Export Citation:
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Assignee:
ZJUBIN IGOR ALEXANDROVICH (RU)
SAVITSKY ALEXANDR ANATOLIEVICH (RU)
International Classes:
F15C1/22; G01F1/32; (IPC1-7): F15C1/22; G01F1/20
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